Finding the Fourth Proportional to 571,998.27, 789,347.11 and 317,343.99
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Solution
The fourth proportional to 571,998.27, 789,347.11 and 317,343.99 is: 437,928.88
Step by Step Solution
- Step 1: Write the proportion equation
571,998.27 : 789,347.11 = 317,343.99 : x - Step 2: Convert to fraction form
571,998.27/789,347.11 = 317,343.99/x - Step 3: Cross multiply
571,998.27x = 789,347.11 × 317,343.99 - Step 4: Simplify right side
571,998.27x = 250,494,561,382.37 - Step 5: Solve for x
x = 250,494,561,382.37/571,998.27 - Step 6: Final answer
x = 437,928.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.